1use anyhow::Context;
2use gpui::{AppContext, BorrowAppContext};
3pub use language::*;
4use node_runtime::NodeRuntime;
5use rust_embed::RustEmbed;
6use settings::SettingsStore;
7use smol::stream::StreamExt;
8use std::{str, sync::Arc};
9use util::{asset_str, ResultExt};
10
11use crate::{bash::bash_task_context, python::python_task_context, rust::RustContextProvider};
12
13mod bash;
14mod c;
15mod css;
16mod go;
17mod json;
18mod python;
19mod ruby;
20mod rust;
21mod tailwind;
22mod typescript;
23mod yaml;
24
25#[derive(RustEmbed)]
26#[folder = "src/"]
27#[exclude = "*.rs"]
28struct LanguageDir;
29
30pub fn init(
31 languages: Arc<LanguageRegistry>,
32 node_runtime: Arc<dyn NodeRuntime>,
33 cx: &mut AppContext,
34) {
35 languages.register_native_grammars([
36 ("bash", tree_sitter_bash::language()),
37 ("c", tree_sitter_c::language()),
38 ("cpp", tree_sitter_cpp::language()),
39 ("css", tree_sitter_css::language()),
40 (
41 "embedded_template",
42 tree_sitter_embedded_template::language(),
43 ),
44 ("go", tree_sitter_go::language()),
45 ("gomod", tree_sitter_gomod::language()),
46 ("gowork", tree_sitter_gowork::language()),
47 ("jsdoc", tree_sitter_jsdoc::language()),
48 ("json", tree_sitter_json::language()),
49 ("markdown", tree_sitter_markdown::language()),
50 ("proto", tree_sitter_proto::language()),
51 ("python", tree_sitter_python::language()),
52 ("regex", tree_sitter_regex::language()),
53 ("ruby", tree_sitter_ruby::language()),
54 ("rust", tree_sitter_rust::language()),
55 ("tsx", tree_sitter_typescript::language_tsx()),
56 ("typescript", tree_sitter_typescript::language_typescript()),
57 ("yaml", tree_sitter_yaml::language()),
58 ]);
59
60 macro_rules! language {
61 ($name:literal) => {
62 let config = load_config($name);
63 languages.register_language(
64 config.name.clone(),
65 config.grammar.clone(),
66 config.matcher.clone(),
67 move || Ok((config.clone(), load_queries($name), None)),
68 );
69 };
70 ($name:literal, $adapters:expr) => {
71 let config = load_config($name);
72 // typeck helper
73 let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
74 for adapter in adapters {
75 languages.register_lsp_adapter(config.name.clone(), adapter);
76 }
77 languages.register_language(
78 config.name.clone(),
79 config.grammar.clone(),
80 config.matcher.clone(),
81 move || Ok((config.clone(), load_queries($name), None)),
82 );
83 };
84 ($name:literal, $adapters:expr, $context_provider:expr) => {
85 let config = load_config($name);
86 // typeck helper
87 let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
88 for adapter in adapters {
89 languages.register_lsp_adapter(config.name.clone(), adapter);
90 }
91 languages.register_language(
92 config.name.clone(),
93 config.grammar.clone(),
94 config.matcher.clone(),
95 move || {
96 Ok((
97 config.clone(),
98 load_queries($name),
99 Some(Arc::new($context_provider)),
100 ))
101 },
102 );
103 };
104 }
105 language!("bash", Vec::new(), bash_task_context());
106 language!("c", vec![Arc::new(c::CLspAdapter) as Arc<dyn LspAdapter>]);
107 language!("cpp", vec![Arc::new(c::CLspAdapter)]);
108 language!(
109 "css",
110 vec![Arc::new(css::CssLspAdapter::new(node_runtime.clone())),]
111 );
112 language!("go", vec![Arc::new(go::GoLspAdapter)]);
113 language!("gomod");
114 language!("gowork");
115 language!(
116 "json",
117 vec![Arc::new(json::JsonLspAdapter::new(
118 node_runtime.clone(),
119 languages.clone(),
120 ))]
121 );
122 language!("markdown");
123 language!(
124 "python",
125 vec![Arc::new(python::PythonLspAdapter::new(
126 node_runtime.clone(),
127 ))],
128 python_task_context()
129 );
130 language!(
131 "rust",
132 vec![Arc::new(rust::RustLspAdapter)],
133 RustContextProvider
134 );
135 language!(
136 "tsx",
137 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
138 node_runtime.clone()
139 ))]
140 );
141 language!(
142 "typescript",
143 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
144 node_runtime.clone()
145 ))]
146 );
147 language!(
148 "javascript",
149 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
150 node_runtime.clone()
151 ))]
152 );
153 language!(
154 "jsdoc",
155 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
156 node_runtime.clone(),
157 ))]
158 );
159 language!("ruby", vec![Arc::new(ruby::RubyLanguageServer)]);
160 language!("erb", vec![Arc::new(ruby::RubyLanguageServer),]);
161 language!("regex");
162 language!(
163 "yaml",
164 vec![Arc::new(yaml::YamlLspAdapter::new(node_runtime.clone()))]
165 );
166 language!("proto");
167
168 // Register globally available language servers.
169 //
170 // This will allow users to add support for a built-in language server (e.g., Tailwind)
171 // for a given language via the `language_servers` setting:
172 //
173 // ```json
174 // {
175 // "languages": {
176 // "My Language": {
177 // "language_servers": ["tailwindcss-language-server", "..."]
178 // }
179 // }
180 // }
181 // ```
182 languages.register_available_lsp_adapter(
183 LanguageServerName("tailwindcss-language-server".into()),
184 {
185 let node_runtime = node_runtime.clone();
186 move || Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone()))
187 },
188 );
189 languages.register_available_lsp_adapter(LanguageServerName("eslint".into()), {
190 let node_runtime = node_runtime.clone();
191 move || Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone()))
192 });
193
194 // Register Tailwind for the existing languages that should have it by default.
195 //
196 // This can be driven by the `language_servers` setting once we have a way for
197 // extensions to provide their own default value for that setting.
198 let tailwind_languages = [
199 "Astro",
200 "CSS",
201 "ERB",
202 "HEEX",
203 "HTML",
204 "JavaScript",
205 "PHP",
206 "Svelte",
207 "TSX",
208 "Vue.js",
209 ];
210
211 for language in tailwind_languages {
212 languages.register_secondary_lsp_adapter(
213 language.into(),
214 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
215 );
216 }
217
218 let eslint_languages = ["TSX", "TypeScript", "JavaScript", "Vue.js"];
219 for language in eslint_languages {
220 languages.register_secondary_lsp_adapter(
221 language.into(),
222 Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
223 );
224 }
225
226 let mut subscription = languages.subscribe();
227 let mut prev_language_settings = languages.language_settings();
228
229 cx.spawn(|cx| async move {
230 while subscription.next().await.is_some() {
231 let language_settings = languages.language_settings();
232 if language_settings != prev_language_settings {
233 cx.update(|cx| {
234 cx.update_global(|settings: &mut SettingsStore, cx| {
235 settings
236 .set_extension_settings(language_settings.clone(), cx)
237 .log_err();
238 });
239 })?;
240 prev_language_settings = language_settings;
241 }
242 }
243 anyhow::Ok(())
244 })
245 .detach();
246}
247
248#[cfg(any(test, feature = "test-support"))]
249pub fn language(name: &str, grammar: tree_sitter::Language) -> Arc<Language> {
250 Arc::new(
251 Language::new(load_config(name), Some(grammar))
252 .with_queries(load_queries(name))
253 .unwrap(),
254 )
255}
256
257fn load_config(name: &str) -> LanguageConfig {
258 let config_toml = String::from_utf8(
259 LanguageDir::get(&format!("{}/config.toml", name))
260 .unwrap()
261 .data
262 .to_vec(),
263 )
264 .unwrap();
265
266 ::toml::from_str(&config_toml)
267 .with_context(|| format!("failed to load config.toml for language {name:?}"))
268 .unwrap()
269}
270
271fn load_queries(name: &str) -> LanguageQueries {
272 let mut result = LanguageQueries::default();
273 for path in LanguageDir::iter() {
274 if let Some(remainder) = path.strip_prefix(name).and_then(|p| p.strip_prefix('/')) {
275 if !remainder.ends_with(".scm") {
276 continue;
277 }
278 for (name, query) in QUERY_FILENAME_PREFIXES {
279 if remainder.starts_with(name) {
280 let contents = asset_str::<LanguageDir>(path.as_ref());
281 match query(&mut result) {
282 None => *query(&mut result) = Some(contents),
283 Some(r) => r.to_mut().push_str(contents.as_ref()),
284 }
285 }
286 }
287 }
288 }
289 result
290}